Arif in now 5 times as old as Babu, but 7 years from now he will be 3 times as old as Babu. How old is Arif now?

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Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Probationary Officer - 17.02.2017 গণিত
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The number 3 divides X with a result of Y and a remainder of 2. The number 3 divides Y with a result of 2 and a remainder of 1. What is the value of X?

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If (x+4)2=9 and (y+3)2=25, then the minimum value of y/x is----

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Solution X is 10% percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 200 milliliters of solution X to create a solution that is 25 percent alcohol by volume?

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If c and d are two integers and @ is defined in p an q as @ (p, q)=(p+1)(q+2), and @ (c, d) equals the product of 2 and 5, then what should be the value of c+d?

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